package com.mdhw.config;

import com.mdhw.common.enums.MessageEnum;
import lombok.Data;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

/**
 * 通用返回结果，服务端响应的数据最终都会封装成此对象
 * @param <T>
 */
@Data
public class R<T> {

    private Integer code; //编码：1成功，0和其它数字为失败

    private String msg; //错误信息

    private T data; //数据

//    private Map map = new HashMap(); //动态数据

    public static <T> R<T> success() {
        R<T> r = new R<T>();
        r.data = null;
        r.msg = MessageEnum.SUCCESS.getMessage();
        r.code = 0;
        return r;
    }

    public static <T> R<T> success(T object) {
        R<T> r = new R<T>();
        r.data = object;
        r.code = 0;
        return r;
    }

    public static <T> R<T> success(String msg) {
        R<T> r = new R<T>();
        r.msg = msg;
        r.code = 0;
        return r;
    }

    public static <T> R<T> success(String msg,T object) {
        R<T> r = new R<T>();
        r.data = object;
        r.msg = msg;
        r.code = 0;
        return r;
    }

    public static <T> R<T> error(String msg) {
        R r = new R();
        r.msg = msg;
        r.code = 1;
        return r;
    }


    public static R errorReturnYuan(String msg){
        R r = new R();
        r.msg = msg;
        r.code = 1;
        return r;
    }

    public static <T> R<T> error(Integer code, String msg) {
        R r = new R();
        r.msg = msg;
        r.code = code;
        return r;
    }

    public static <T> R<T> empty() {
        R r = new R();
        r.msg = MessageEnum.EMPTY.getMessage();
        r.code = MessageEnum.EMPTY.getCode();
        return r;
    }

    public static <T> R<T> successEmptyList() {
        R r = new R();
        r.data = new ArrayList();
        r.msg = MessageEnum.SUCCESS.getMessage();
        r.code = 0;
        return r;
    }


    public static <T> R<T> error(Integer code, String msg,T object) {
        R<T> r = new R<T>();
        r.data = object;
        r.msg = msg;
        r.code = code;
        return r;
    }
//    public R<T> add(String key, Object value) {
//        this.map.put(key, value);
//        return this;
//    }

}
